From 821601ea5b02a68ada479731a4d3d07a9876632a Mon Sep 17 00:00:00 2001 From: Jes Sorensen Date: Wed, 16 Mar 2011 13:33:36 +0100 Subject: [PATCH] Make VNC support optional Per default VNC is enabled. Signed-off-by: Jes Sorensen Signed-off-by: Anthony Liguori --- Makefile.objs | 19 ++++++++++--------- configure | 37 +++++++++++++++++++++++++------------ console.h | 26 ++++++++++++++++++++++++-- monitor.c | 22 ++++++++++------------ qerror.h | 3 +++ ui/vnc.c | 14 ++++++++++---- vl.c | 26 ++++++++++++++++++++++---- 7 files changed, 104 insertions(+), 43 deletions(-) diff --git a/Makefile.objs b/Makefile.objs index 167ccc2c6c..f8cf199e14 100644 --- a/Makefile.objs +++ b/Makefile.objs @@ -127,19 +127,20 @@ common-obj-y += $(addprefix audio/, $(audio-obj-y)) ui-obj-y += keymaps.o ui-obj-$(CONFIG_SDL) += sdl.o sdl_zoom.o x_keymap.o ui-obj-$(CONFIG_CURSES) += curses.o -ui-obj-y += vnc.o d3des.o -ui-obj-y += vnc-enc-zlib.o vnc-enc-hextile.o -ui-obj-y += vnc-enc-tight.o vnc-palette.o -ui-obj-y += vnc-enc-zrle.o -ui-obj-$(CONFIG_VNC_TLS) += vnc-tls.o vnc-auth-vencrypt.o -ui-obj-$(CONFIG_VNC_SASL) += vnc-auth-sasl.o -ui-obj-$(CONFIG_COCOA) += cocoa.o +vnc-obj-y += vnc.o d3des.o +vnc-obj-y += vnc-enc-zlib.o vnc-enc-hextile.o +vnc-obj-y += vnc-enc-tight.o vnc-palette.o +vnc-obj-y += vnc-enc-zrle.o +vnc-obj-$(CONFIG_VNC_TLS) += vnc-tls.o vnc-auth-vencrypt.o +vnc-obj-$(CONFIG_VNC_SASL) += vnc-auth-sasl.o +vnc-obj-$(CONFIG_COCOA) += cocoa.o ifdef CONFIG_VNC_THREAD -ui-obj-y += vnc-jobs-async.o +vnc-obj-y += vnc-jobs-async.o else -ui-obj-y += vnc-jobs-sync.o +vnc-obj-y += vnc-jobs-sync.o endif common-obj-y += $(addprefix ui/, $(ui-obj-y)) +common-obj-$(CONFIG_VNC) += $(addprefix ui/, $(vnc-obj-y)) common-obj-y += iov.o acl.o common-obj-$(CONFIG_POSIX) += qemu-thread-posix.o compatfd.o diff --git a/configure b/configure index f594bfe9bf..5a5827f6db 100755 --- a/configure +++ b/configure @@ -117,6 +117,7 @@ kvm="" kvm_para="" nptl="" sdl="" +vnc="yes" sparse="no" uuid="" vde="" @@ -539,6 +540,10 @@ for opt do ;; --enable-sdl) sdl="yes" ;; + --disable-vnc) vnc="no" + ;; + --enable-vnc) vnc="yes" + ;; --fmod-lib=*) fmod_lib="$optarg" ;; --fmod-inc=*) fmod_inc="$optarg" @@ -836,6 +841,8 @@ echo " --disable-strip disable stripping binaries" echo " --disable-werror disable compilation abort on warning" echo " --disable-sdl disable SDL" echo " --enable-sdl enable SDL" +echo " --disable-vnc disable VNC" +echo " --enable-vnc enable VNC" echo " --enable-cocoa enable COCOA (Mac OS X only)" echo " --audio-drv-list=LIST set audio drivers list:" echo " Available drivers: $audio_possible_drivers" @@ -1273,7 +1280,7 @@ fi ########################################## # VNC TLS detection -if test "$vnc_tls" != "no" ; then +if test "$vnc" = "yes" -a "$vnc_tls" != "no" ; then cat > $TMPC < int main(void) { gnutls_session_t s; gnutls_init(&s, GNUTLS_SERVER); return 0; } @@ -1293,7 +1300,7 @@ fi ########################################## # VNC SASL detection -if test "$vnc_sasl" != "no" ; then +if test "$vnc" = "yes" -a "$vnc_sasl" != "no" ; then cat > $TMPC < #include @@ -1315,7 +1322,7 @@ fi ########################################## # VNC JPEG detection -if test "$vnc_jpeg" != "no" ; then +if test "$vnc" = "yes" -a "$vnc_jpeg" != "no" ; then cat > $TMPC < #include @@ -1336,7 +1343,7 @@ fi ########################################## # VNC PNG detection -if test "$vnc_png" != "no" ; then +if test "$vnc" = "yes" -a "$vnc_png" != "no" ; then cat > $TMPC < #include @@ -2495,11 +2502,14 @@ echo "Audio drivers $audio_drv_list" echo "Extra audio cards $audio_card_list" echo "Block whitelist $block_drv_whitelist" echo "Mixer emulation $mixemu" -echo "VNC TLS support $vnc_tls" -echo "VNC SASL support $vnc_sasl" -echo "VNC JPEG support $vnc_jpeg" -echo "VNC PNG support $vnc_png" -echo "VNC thread $vnc_thread" +echo "VNC support $vnc" +if test "$vnc" = "yes" ; then + echo "VNC TLS support $vnc_tls" + echo "VNC SASL support $vnc_sasl" + echo "VNC JPEG support $vnc_jpeg" + echo "VNC PNG support $vnc_png" + echo "VNC thread $vnc_thread" +fi if test -n "$sparc_cpu"; then echo "Target Sparc Arch $sparc_cpu" fi @@ -2649,6 +2659,9 @@ echo "CONFIG_BDRV_WHITELIST=$block_drv_whitelist" >> $config_host_mak if test "$mixemu" = "yes" ; then echo "CONFIG_MIXEMU=y" >> $config_host_mak fi +if test "$vnc" = "yes" ; then + echo "CONFIG_VNC=y" >> $config_host_mak +fi if test "$vnc_tls" = "yes" ; then echo "CONFIG_VNC_TLS=y" >> $config_host_mak echo "VNC_TLS_CFLAGS=$vnc_tls_cflags" >> $config_host_mak @@ -2657,15 +2670,15 @@ if test "$vnc_sasl" = "yes" ; then echo "CONFIG_VNC_SASL=y" >> $config_host_mak echo "VNC_SASL_CFLAGS=$vnc_sasl_cflags" >> $config_host_mak fi -if test "$vnc_jpeg" != "no" ; then +if test "$vnc_jpeg" = "yes" ; then echo "CONFIG_VNC_JPEG=y" >> $config_host_mak echo "VNC_JPEG_CFLAGS=$vnc_jpeg_cflags" >> $config_host_mak fi -if test "$vnc_png" != "no" ; then +if test "$vnc_png" = "yes" ; then echo "CONFIG_VNC_PNG=y" >> $config_host_mak echo "VNC_PNG_CFLAGS=$vnc_png_cflags" >> $config_host_mak fi -if test "$vnc_thread" != "no" ; then +if test "$vnc_thread" = "yes" ; then echo "CONFIG_VNC_THREAD=y" >> $config_host_mak fi if test "$fnmatch" = "yes" ; then diff --git a/console.h b/console.h index 711895e2d7..64d1f090ed 100644 --- a/console.h +++ b/console.h @@ -4,6 +4,8 @@ #include "qemu-char.h" #include "qdict.h" #include "notify.h" +#include "qerror.h" +#include "monitor.h" /* keyboard/mouse support */ @@ -370,12 +372,32 @@ void cocoa_display_init(DisplayState *ds, int full_screen); void vnc_display_init(DisplayState *ds); void vnc_display_close(DisplayState *ds); int vnc_display_open(DisplayState *ds, const char *display); -int vnc_display_password(DisplayState *ds, const char *password); int vnc_display_disable_login(DisplayState *ds); +char *vnc_display_local_addr(DisplayState *ds); +#ifdef CONFIG_VNC +int vnc_display_password(DisplayState *ds, const char *password); int vnc_display_pw_expire(DisplayState *ds, time_t expires); void do_info_vnc_print(Monitor *mon, const QObject *data); void do_info_vnc(Monitor *mon, QObject **ret_data); -char *vnc_display_local_addr(DisplayState *ds); +#else +static inline int vnc_display_password(DisplayState *ds, const char *password) +{ + qerror_report(QERR_FEATURE_DISABLED, "vnc"); + return -ENODEV; +} +static inline int vnc_display_pw_expire(DisplayState *ds, time_t expires) +{ + qerror_report(QERR_FEATURE_DISABLED, "vnc"); + return -ENODEV; +}; +static inline void do_info_vnc(Monitor *mon, QObject **ret_data) +{ +}; +static inline void do_info_vnc_print(Monitor *mon, const QObject *data) +{ + monitor_printf(mon, "VNC support disabled\n"); +}; +#endif /* curses.c */ void curses_display_init(DisplayState *ds, int full_screen); diff --git a/monitor.c b/monitor.c index 552e951f7d..76a82074ae 100644 --- a/monitor.c +++ b/monitor.c @@ -1020,6 +1020,7 @@ static int do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data) return 0; } +#ifdef CONFIG_VNC static int change_vnc_password(const char *password) { if (!password || !password[0]) { @@ -1066,6 +1067,13 @@ static int do_change_vnc(Monitor *mon, const char *target, const char *arg) return 0; } +#else +static int do_change_vnc(Monitor *mon, const char *target, const char *arg) +{ + qerror_report(QERR_FEATURE_DISABLED, "vnc"); + return -ENODEV; +} +#endif /** * do_change(): Change a removable medium, or VNC configuration @@ -1131,12 +1139,7 @@ static int set_password(Monitor *mon, const QDict *qdict, QObject **ret_data) } /* Note that setting an empty password will not disable login through * this interface. */ - rc = vnc_display_password(NULL, password); - if (rc != 0) { - qerror_report(QERR_SET_PASSWD_FAILED); - return -1; - } - return 0; + return vnc_display_password(NULL, password); } qerror_report(QERR_INVALID_PARAMETER, "protocol"); @@ -1175,12 +1178,7 @@ static int expire_password(Monitor *mon, const QDict *qdict, QObject **ret_data) } if (strcmp(protocol, "vnc") == 0) { - rc = vnc_display_pw_expire(NULL, when); - if (rc != 0) { - qerror_report(QERR_SET_PASSWD_FAILED); - return -1; - } - return 0; + return vnc_display_pw_expire(NULL, when); } qerror_report(QERR_INVALID_PARAMETER, "protocol"); diff --git a/qerror.h b/qerror.h index f732d45e80..df61d2c2c6 100644 --- a/qerror.h +++ b/qerror.h @@ -171,4 +171,7 @@ QError *qobject_to_qerror(const QObject *obj); #define QERR_VNC_SERVER_FAILED \ "{ 'class': 'VNCServerFailed', 'data': { 'target': %s } }" +#define QERR_FEATURE_DISABLED \ + "{ 'class': 'FeatureDisabled', 'data': { 'name': %s } }" + #endif /* QERROR_H */ diff --git a/ui/vnc.c b/ui/vnc.c index fdc4a70d02..0b5aad2952 100644 --- a/ui/vnc.c +++ b/ui/vnc.c @@ -2638,16 +2638,19 @@ int vnc_display_disable_login(DisplayState *ds) int vnc_display_password(DisplayState *ds, const char *password) { + int ret = 0; VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display; if (!vs) { - return -1; + ret = -EINVAL; + goto out; } if (!password) { /* This is not the intention of this interface but err on the side of being safe */ - return vnc_display_disable_login(ds); + ret = vnc_display_disable_login(ds); + goto out; } if (vs->password) { @@ -2656,8 +2659,11 @@ int vnc_display_password(DisplayState *ds, const char *password) } vs->password = qemu_strdup(password); vs->auth = VNC_AUTH_VNC; - - return 0; +out: + if (ret != 0) { + qerror_report(QERR_SET_PASSWD_FAILED); + } + return ret; } int vnc_display_pw_expire(DisplayState *ds, time_t expires) diff --git a/vl.c b/vl.c index 11ad8fbf77..dbb927dff6 100644 --- a/vl.c +++ b/vl.c @@ -206,7 +206,9 @@ int smp_cpus = 1; int max_cpus = 0; int smp_cores = 1; int smp_threads = 1; +#ifdef CONFIG_VNC const char *vnc_display; +#endif int acpi_enabled = 1; int no_hpet = 0; int fd_bootchk = 1; @@ -1612,6 +1614,7 @@ static DisplayType select_display(const char *p) exit(1); #endif } else if (strstart(p, "vnc", &opts)) { +#ifdef CONFIG_VNC display_remote++; if (*opts) { @@ -1625,6 +1628,10 @@ static DisplayType select_display(const char *p) fprintf(stderr, "VNC requires a display argument vnc=\n"); exit(1); } +#else + fprintf(stderr, "VNC support is disabled\n"); + exit(1); +#endif } else if (strstart(p, "curses", &opts)) { #ifdef CONFIG_CURSES display = DT_CURSES; @@ -2026,7 +2033,9 @@ int main(int argc, char **argv, char **envp) int tb_size; const char *pid_file = NULL; const char *incoming = NULL; +#ifdef CONFIG_VNC int show_vnc_port = 0; +#endif int defconfig = 1; const char *trace_file = NULL; @@ -2684,9 +2693,14 @@ int main(int argc, char **argv, char **envp) } break; case QEMU_OPTION_vnc: +#ifdef CONFIG_VNC display_remote++; - vnc_display = optarg; - break; + vnc_display = optarg; +#else + fprintf(stderr, "VNC support is disabled\n"); + exit(1); +#endif + break; case QEMU_OPTION_no_acpi: acpi_enabled = 0; break; @@ -3142,12 +3156,14 @@ int main(int argc, char **argv, char **envp) if (display_type == DT_DEFAULT && !display_remote) { #if defined(CONFIG_SDL) || defined(CONFIG_COCOA) display_type = DT_SDL; -#else +#elif defined(CONFIG_VNC) vnc_display = "localhost:0,to=99"; show_vnc_port = 1; +#else + display_type = DT_NONE; #endif } - + /* init local displays */ switch (display_type) { @@ -3171,6 +3187,7 @@ int main(int argc, char **argv, char **envp) break; } +#ifdef CONFIG_VNC /* init remote displays */ if (vnc_display) { vnc_display_init(ds); @@ -3181,6 +3198,7 @@ int main(int argc, char **argv, char **envp) printf("VNC server running on `%s'\n", vnc_display_local_addr(ds)); } } +#endif #ifdef CONFIG_SPICE if (using_spice && !qxl_enabled) { qemu_spice_display_init(ds);